ELECTRICAL SYSTEM
B2050, B2350, B2650, B3150, WSM
9-M5
[2] CONTROLLER
Operator Presence Control (OPC) System
This series tractor tractors are equipped with an
"Operator Presence Control (OPC)" system to control
engine starting and engine automatically stopping.
This OPC system mainly consists of controller and
engine starting / stopping control switches such as PTO
clutch lever switch, PTO select lever switch, parking
brake switch, seat switch, HST pedal switch and shuttle
shift lever switch.
Main parts regarding OPC system are laid out as
shown in the electrical circuit.
9Y1210982ELM0006US0
(1) Key Switch
(2) PTO Clutch Lever Switch
(3) PTO Select Lever Switch
(4) Parking Brake Switch
(5) Seat Switch
(6) HST Pedal Switch (HST
Model)
Shuttle Shift Lever Switch
(Manual Transmission
Model)
(7) Relay (Charge)
(8) Frame Earth
(9) Starter Motor
(10) Relay (Key Stop Solenoid)
(11) Key Stop Solenoid
(12) Battery
(13) OPC Controller
a to l: Controller Terminal
ST: Key Switch ST Terminal
G: Key Switch G Terminal
AC: Key Switch AC Terminal
B: Starter Motor B Terminal
S: Starter Motor S Terminal
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